Explain kinetic and gravitational potential energy, rules for conservation of energy and relationship between these quantities as well as apply the knowledge gained for useful purposes.
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Q 1/20
Score 0
What is the definition of electric current?
30
The rate of energy transfer in a circuit.
The flow of charged particles, typically electrons, in a circuit.
The opposition to the flow of charge in a circuit.
The flow of protons in a circuit.
Q 2/20
Score 0
What is the unit of measurement for electric current?